Ukraine's President Petro Poroshenko, left, and parliament speaker Volodymyr Groisman lay flowers by the photo of a police officer who was killed in a Monday clash, in front of Parliament in Kiev, Ukraine, Tuesday, Sept. 1, 2015. Ukrainian police say 141 people remain hospitalized after a nationalist protest in Kiev turned violent, with 10 of the injured in serious condition. Two officers died from their wounds. (Anastasiia Sirotkina, Pool photo via AP)
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